Pith Number

pith:4P4F7OZQ

pith:2013:4P4F7OZQ4WROVCHBJPBBIWZJZU

not attested not anchored not stored refs pending

Investigating the limits of randomized benchmarking protocols

Andrew W. Cross, Easwar Magesan, Jay M. Gambetta, Jeffrey M. Epstein

arxiv:1308.2928 v1 · 2013-08-13 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4P4F7OZQ4WROVCHBJPBBIWZJZU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:48:17.682156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f85fbb30e5a2ea88e14bc2145b29cd2262e029097e042ecd88fec6f93480f5

Aliases

arxiv: 1308.2928 · arxiv_version: 1308.2928v1 · doi: 10.48550/arxiv.1308.2928 · pith_short_12: 4P4F7OZQ4WRO · pith_short_16: 4P4F7OZQ4WROVCHB · pith_short_8: 4P4F7OZQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4P4F7OZQ4WROVCHBJPBBIWZJZU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e3f85fbb30e5a2ea88e14bc2145b29cd2262e029097e042ecd88fec6f93480f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ad68f412679ef26ca3e9f66b7e87c8ec3771d804c23a4d6e792ef96a373ad4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-13T17:59:12Z",
    "title_canon_sha256": "2c6931c3e4360fdea4f3e35ab9d9ee2fe596c5f99059eb2757447661cac4bd28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2928",
    "kind": "arxiv",
    "version": 1
  }
}